12131854

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2161}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 20858976

約数和(自身を除く): 8727122

約数列:

[1, 2, 7, 14, 401, 802, 2161, 2807, 4322, 5614, 15127, 30254, 866561, 1733122, 6065927, 12131854]

約数ペア:

[(1, 12131854), (2, 6065927), (7, 1733122), (14, 866561), (401, 30254), (802, 15127), (2161, 5614), (2807, 4322)]